<?php
/**
 *   Joomdiet - components/models/foodcategory.php
 *   Author: Juan Dapena Paz (juan@bittingbits.com)
 *   Copyright (C) 2010 Bitting Bits S.L.
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

defined('_JEXEC') or die('Restricted access');
jimport('joomla.application.component.model');

class JoomdietModelFoodCategory extends JModel
{
    var $_data;
    var $_query;
    
    function __construct()
    {
        parent::__construct();
    }
    
    function _buildQuery()
    {
        $this->_query = 'SELECT * FROM #__joomdiet_Food_Category';
        return $this->_query;
    }
    
    function _buildQueryWhere($parent_category='')
    {
        if ($parent_category != '') {
            $this->_query .= ' WHERE parent_category='.$parent_category;
        }
        return $this->_query;
    }
    
    function getData($parent_category='')
    {
        $this->_buildQuery();
        $this->_buildQueryWhere($parent_category);
        
        if (empty($this->_data)) {
            $this->_db->setQuery($this->_query);
            $this->_data = $this->_getList($this->_query);
        }
        
        return $this->_data;
    }
    
    function getModel()
    {
        return $this;
    }
    
    function getChilds($id)
    {
        $this->_buildQuery();
        $this->_buildQueryWhere($id);
        
        return $this->_getList($this->_query);
    }
    
    function getCategory($id)
    {
        $query = 'SELECT * FROM #__joomdiet_Food_Category WHERE id='.$id;
        $this->_db->setQuery($query);
        $result = $this->_db->loadObject();
        return $result;
    }
}
?>
